Daewoo DV-K841DY Service Manual Download Page 1

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Service Manual

S/M No. : VK811PSEF0

Jan. 2000

DAEWOO ELECTRONICS CO., LTD.

http : //svc.dwe.co.kr

Video Cassette Recorder

Model: DV-K841DY (VQ837)

F2GHA0

Summary of Contents for DV-K841DY

Page 1: ...Service Manual S M No VK811PSEF0 Jan 2000 DAEWOO ELECTRONICS CO LTD http svc dwe co kr Video Cassette Recorder Model DV K841DY VQ837 F2GHA0 A...

Page 2: ...Insert PATH JIG and press REC button on the remote control 5 Check the position of the V sync from the rising edge of the SW pulse Standard 6 5H 0 5H ITEM MODE ADJUSTMENT POINT CHECK POINT TEST EQUIP...

Page 3: ...r with NETTETE IMAGE control at cen ter position 240 lines with NETTETE IMAGE control at center position AUDIO Recording system Input Output Frequency Range Signal to Noise Ratio Audio Distortion Long...

Page 4: ...NO REC PB 1 0 0 2 0 0 3 0 0 4 0 0 5 3 9 3 9 6 3 9 4 7 0 0 8 5 24 5 29 MOTOR DRIVE IC IC502 KA3082 PIN NO REC PB 1 0 0 2 0 55 0 55 3 8 78 0 88 4 6 24 6 24 5 0 01 0 01 6 0 01 0 01 7 12 12 11 74 8 12 12...

Page 5: ...5 65 2 4 2 4 90 4 1 1 8 16 5 5 41 2 7 2 7 66 2 8 2 8 91 4 1 1 8 17 0 05 3 42 3 0 67 4 0 4 0 92 1 6 18 2 1 1 8 43 1 9 1 9 68 0 0 93 19 2 1 2 1 44 69 2 0 2 0 94 0 7 0 5 20 2 8 2 8 45 1 8 1 8 70 2 0 2 0...

Page 6: ...79 43 3 95 4 11 3 81 3 81 22 3 81 3 81 33 3 86 3 77 44 1 74 2 1 NICAM IC IC051 MSP3417DQ PIN NO EE PIN NO EE 1 0 03 27 0 2 2 29 28 0 3 0 01 29 0 4 0 01 30 3 69 5 0 31 3 7 6 4 95 32 0 7 3 95 33 8 25 8...

Page 7: ...9 0 20 0 23 0 03 3 3 7 3 7 9 0 0 15 0 0 21 2 43 0 4 4 85 4 9 10 0 0 16 31 9 31 9 22 2 01 0 01 5 4 3 9 11 3 9 4 17 0 0 23 2 69 0 6 0 0 12 3 7 3 7 18 0 0 24 2 74 0 24 1 66 50 0 25 1 69 51 2 32 26 0 52...

Page 8: ...8 CIRCUIT DIAGRAM 1 POWER CIRCUIT DIAGRAM 230V ONLY...

Page 9: ...9 2 SYSCON CIRCUIT DIAGRAM...

Page 10: ...10 3 A V CIRCUIT DIAGRAM PAL...

Page 11: ...11 CIRCUIT DIAGRAM 5 PIF CIRCUIT DIAGRAM...

Page 12: ...12 CIRCUIT DIAGRAM 6 HIFI SW CIRCUIT DIAGRAM...

Page 13: ...13 CIRCUIT DIAGRAM 7 SW CIRCUIT DIAGRAM...

Page 14: ...14 DISASSEMBLY 1 PACKING ASS Y...

Page 15: ...DISASSEMBLY DV K841D VQ837 DV K861D SERIES...

Page 16: ...16 DISASSEMBLY 3 INSTRUMENT DISASSEMBLY 3 1 TOP COVER REMOVAL FIG 1 1 Remove five 5 screws holding the top cover 2 Carefully lift the back of the top cover and slide to the rear to remove...

Page 17: ...17 DISASSEMBLY 3 2 FRONT PANEL REMOVAL FIG 2 1 Remove the top cover 2 Release seven 7 tabs holding the front panel 3 Remove the front panel...

Page 18: ...18 DISASSEMBLY 3 3 BOTTOM COVER REMOVAL FIG 3 1 Remove the top cover and front panel 2 Remove three 3 screws 3 Release four 4 tabs and lift out the bottom cover...

Page 19: ...19 DISASSEMBLY 3 4 F L DOOR REMOVAL FIG 4 1 Open the F L door 90 2 Remove the F L door in the direction of arrow...

Page 20: ...20 DISASSEMBLY 3 5 COVER PRE AMP DECK AS REMOVAL FIG 5 1 Remove five 5 screws 2 Disconnect the connector and FPC 3 Pull out the DECK AS and COVER PRE AMP in the direction of arrow...

Page 21: ...21 DISASSEMBLY 3 6 PCB MAIN AS REMOVAL FIG 6 1 Remove two 2 screws 2 Release three 3 tabs and lift out the main PCB in the direction of arrow...

Page 22: ...EJIN D2 6 D7 T4 5 A1800 97S3117300 WASHER POLY D3 6XD8XT0 5 A1900 97SA310400 L C BRKT TOT AS K MECHA B1910 97S8103600 L C MOTOR MDH2B70 B1940 5SSF1DKM10 SW CAM MMS00320ZMBO A1901 7274300611 SCREW TAPP...

Page 23: ...C CHIP CERA 50V X7R 0 056MF K 2012 C159 HCBK103KCA C CHIP CERA 50V X7R 0 01MF K 2012 C161 HCQK220JCA C CHIP CERA 50V CH 22PF J 2012 C204 HCBK122KCA C CHIP CERA 50V X7R 1200PF K 2012 C213 HCFK104ZCA C...

Page 24: ...K102KCA C CHIP CERA 50V X7R 1000PF K 2012 C562 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C563 HCFK104ZCA C CHIP CERA 50V Y5V 0 1MF Z 2012 C564 HCBK102KCA C CHIP CERA 50V X7R 1000PF K 2012 LOC PART C...

Page 25: ...16K OHM J 2012 R012 HRFT150JCA R CHIP 1 10 15 OHM J 2012 R152 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R153 HRFT562JCA R CHIP 1 10 5 6K OHM J 2012 R154 HRFT103JCA R CHIP 1 10 10K OHM J 2012 R155 HRFT182...

Page 26: ...RFT102JCA R CHIP 1 10 1K OHM J 2012 LOC PART CODE PART NAME PART DESC R563 HRFT273JCA R CHIP 1 10 27K OHM J 2012 R565 HRFT201JCA R CHIP 1 10 200 OHM J 2012 R583 HRFT332JCA R CHIP 1 10 3 3K OHM J 2012...

Page 27: ...EXF1C470A C ELECTRO 16V RSM 47MF 5X7 TP C549 CEXF1E470V C ELECTRO 25V RSS 47MF 5X11 TP C608 CEXF1H109A C ELECTRO 50V RSM 1MF 4X7 TP LOC PART CODE PART NAME PART DESC C609 CEXE1H109F C ELECTRO 50V RMB...

Page 28: ...MI 16V Y5S 0 01MF M C054 CBZP1C103M C CERA SEMI 16V Y5S 0 01MF M C060 CCZF1H104Z C CERA 50V HIKF 0 1MF Z C062 CCZF1H104Z C CERA 50V HIKF 0 1MF Z C067 CCZF1H104Z C CERA 50V HIKF 0 1MF Z C160 CBZP1C103M...

Page 29: ...KING 10UH K AXIAL 3 5MM LOC PART CODE PART NAME PART DESC L602 5CPZ229K02 COIL PEAKING 2 2UH K AXIAL 3 5MM L604 5CPZ229K02 COIL PEAKING 2 2UH K AXIAL 3 5MM L605 5CPZ229K02 COIL PEAKING 2 2UH K AXIAL 3...

Page 30: ...J R532 RD AZ430J R CARBON FILM 1 6 43 OHM J LOC PART CODE PART NAME PART DESC R533 RD AZ270J R CARBON FILM 1 6 27 OHM J R534 RD AZ182J R CARBON FILM 1 6 1 8K OHM J R535 RD AZ182J R CARBON FILM 1 6 1 8...

Page 31: ...OHM J SMALL R805 RD 4Z394JS R CARBON FILM 1 4 390K OHM J SMALL R806 RD AZ273J R CARBON FILM 1 6 27K OHM J R809 RD 2Z820JS R CARBON FILM 1 2 82 OHM J SMALL R810 RD 2Z820JS R CARBON FILM 1 2 82 OHM J SM...

Page 32: ...OPPER 0 6X52MM TAPING JP252 85801060TA WIRE COPPER 0 6X52MM TAPING R5A7 RD AZ103J R CARBON FILM 1 6 10K OHM J R5A8 RD AZ103J R CARBON FILM 1 6 10K OHM J R5A9 RD AZ103J R CARBON FILM 1 6 10K OHM J R516...

Page 33: ...ART NAME PART DESC PART CODE PART NAME PART DESC B001 97P0720200 BOARD ANT HI PS HB 97P0722200 BOARD ANT HI PS HB JK602 97P6313400 JACK SCART DSAM 9622 JK604 97P6315200 JACK PIN DPAM 9916 C633 HCQK330...

Page 34: ...ODE 1N4148 AUTO 52MM D536 DZN4148 DIODE 1N4148 AUTO 52MM IC503 14ATM24D08 IC EEPROM ATM24D08 14ATM24S16 IC EPROM AT24C16N 10SC IC504 1KA7533Z IC SWITCH RESET KA7533Z 1K1A7042P IC SWITCH KIA7042P JP167...

Page 35: ...UST P72 AN2 I USE FOR PATH ADJUST A D PATH JIG 8 AFT P71 AN1 I AFT ANALOG DATA INPUT FOR AUTO FINE TUNING A D PIF 9 VIDEO DC ENVE P70 AN0 I VIDEO DC ENVE DATA INPUT A D VIDEO 10 Hi Fi DC ENVE P67 AN10...

Page 36: ...4 RESET RESET I RESET INPUT L RESET IC 35 Xcin P31 I 32 768KHz OSC IN 36 Xcout P30 O 32 768KHz OSC OUT 37 Vcc Vcc BACK UP 5V 38 Xin Xin I 16MHz OSC IN 39 Xout Xout O 162MHZ OSC OUT 40 Vss Vss GND 41 O...

Page 37: ...DECK CAM 71 II C CLK P101 SCL O A V SECAM CLK SERIAL VIDEO 72 II C DATA P100 SDA I O A V SECAM DATA SERIAL VIDEO 73 POWER ON H P97 O POWER ON OFF CONTROL PORT H POWER 74 POWER OFF H P96 O POWER ON OF...

Page 38: ...AMP Vrefout 92 AMP Vrefin AMP Vrefin AMP Vrefin 93 C P80 C 94 CTL CTL CTL 95 CTL CTL CTL 96 AMP C AMP C 97 CTL AMP CTL AMP O CTL AMP OUTPUT PATH JIG 98 AMP Vcc AMP Vcc AMP Vcc 99 Avcc Avcc Avcc 100 S...

Page 39: ...nly for this special menu 3 The SERVICE MODE composes the followings 1 SVC MODE FOR REPAIR 2 TIMER CHECK MODE 3 CHANGE OF VIDEO DATA 4 CHANGE OF Hi Fi DATA 5 AUTO REPEAT 1 Timer Program Timer Review V...

Page 40: ...PLAY REV STOP operations are executed automatically and OSD 4 will be displayed To press 0 button on OSD 4 will be ejected 4 The error state is displayed OK or NG in ERROR CHECK RESULTS screen means u...

Page 41: ...te is set to OFF mode ITEM OSD REMARKS TIMER CHECK MODE is used to check the TIMER RECORD SHOWVIEW RECORD and VFD SEG MENT 1 Press the number 2 button then OSD 1 will be dis played in the initial SVC...

Page 42: ...Press REC button to adjust PG 6 5H 2 Press button to move from right to left 3 Press button to move from up to down 4 Press OK button to toggle the bit of data 5 Then Press 0 button to confirm the cha...

Page 43: ...ble moves from right to left when the button is pressed 6 The cursor on the data table moves from up to down when the button is pressed 7 Data is toggled whenever the OK button is pressed on the curso...

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